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Data as of Nov 3, 2026

209.55.167.0/24

No anonymizer space · no proxy exits in 30 days

Zscaler, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS53813
Type
Corporate gateway
Risk
20 / 100 · Low

Operators, sellers and brokers

Corporate gateways

NameParentIn 209.55.167.0/24/24s
Zscaler
256100%
1

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
209.55.128.0/18
since Sep 2021
AS22616Corporate gatewayZscaler, Inc.

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
209.55.128.0 - 209.55.223.25524,576ZSCALZscaler, Inc. (ZSCAL) · USDirect AllocationSep 21, 2021[email protected]
└ 209.55.167.0/24256ZSCALER-TYO5Zscaler, Inc. (C10845339) · JPReassignedMay 16, 2024[email protected]
via ZSCAL

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Zscaler, Inc.
Handle
ZSCAL
Range
209.55.128.0 - 209.55.223.255
Registration type
Direct Allocation
Record created
Sep 21, 2021
Origin network

AS53813

US
Name
Zscaler, Inc.
Type
Business
Registered
Jun 3, 2011
Domain
zscaler.com
Website
www.zscaler.com
Industry
Service
Spamhaus ASN-DROP
not listed